18807831561082 has 16 divisors (see below), whose sum is σ = 28942766395200. Its totient is φ = 9163346877792.

The previous prime is 18807831561059. The next prime is 18807831561133. The reversal of 18807831561082 is 28016513870881.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776016582 + ... + 776040817.

It is an arithmetic number, because the mean of its divisors is an integer number (1808922899700).

Almost surely, 2^{18807831561082} is an apocalyptic number.

18807831561082 is a deficient number, since it is larger than the sum of its proper divisors (10134934834118).

18807831561082 is a wasteful number, since it uses less digits than its factorization.

18807831561082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552057557.

The product of its (nonzero) digits is 5160960, while the sum is 58.

The spelling of 18807831561082 in words is "eighteen trillion, eight hundred seven billion, eight hundred thirty-one million, five hundred sixty-one thousand, eighty-two".